A new fingerprint identification system has
been installed in the Polk County Sheriff's Office Central book-in center
that will prevent inmates from trying to escape by booking out using
another inmate's name.

The program works like this: during book-in,
an inmate's fingerprints are scanned into the system using ultra sound
technology, and the inmate's specific identification information is
entered into the system.

When it's time to be booked out, the inmate's
fingerprints are scanned into the system once again. The program
then confirms if the correct inmate is being released via fingerprint
match.

If an inmate were to try to escape under a
false name by using a fellow inmate's identification, the new program
would instantly notify book-in personnel that the fingerprints do not
match with a pop-up screen warning “STOP,” and with the appropriate
inmate's photo.